linux-kernel - [PATCH 1/7] trace_syscalls: remove unused event_syscall_enter and event_syscall

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Date:	Tue, 01 Dec 2009 16:23:20 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	Steven Rostedt <rostedt@...dmis.org>, Ingo Molnar <mingo@...e.hu>,
	Jason Baron <jbaron@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/7] trace_syscalls: remove unused event_syscall_enter and
 event_syscall_exit


fix event_enter_##sname->event
fix event_exit_##sname->event

remove unused event_syscall_enter and event_syscall_exit

Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
---
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index b50974a..2f7c539 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -178,7 +178,7 @@ static void prof_sysexit_disable_##sname(struct ftrace_event_call *unused)     \
 	  event_enter_##sname = {					\
 		.name                   = "sys_enter"#sname,		\
 		.system                 = "syscalls",			\
-		.event                  = &event_syscall_enter,		\
+		.event                  = &enter_syscall_print_##sname,	\
 		.raw_init		= init_enter_##sname,		\
 		.show_format		= syscall_enter_format,		\
 		.define_fields		= syscall_enter_define_fields,	\
@@ -214,7 +214,7 @@ static void prof_sysexit_disable_##sname(struct ftrace_event_call *unused)     \
 	  event_exit_##sname = {					\
 		.name                   = "sys_exit"#sname,		\
 		.system                 = "syscalls",			\
-		.event                  = &event_syscall_exit,		\
+		.event                  = &exit_syscall_print_##sname,	\
 		.raw_init		= init_exit_##sname,		\
 		.show_format		= syscall_exit_format,		\
 		.define_fields		= syscall_exit_define_fields,	\
diff --git a/include/trace/syscall.h b/include/trace/syscall.h
index 51ee17d..5f8827c 100644
--- a/include/trace/syscall.h
+++ b/include/trace/syscall.h
@@ -37,8 +37,6 @@ extern unsigned long arch_syscall_addr(int nr);
 extern int syscall_name_to_nr(char *name);
 void set_syscall_enter_id(int num, int id);
 void set_syscall_exit_id(int num, int id);
-extern struct trace_event event_syscall_enter;
-extern struct trace_event event_syscall_exit;
 
 extern int syscall_enter_format(struct ftrace_event_call *call,
 				struct trace_seq *s);
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 63aa807..00d6e17 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -444,14 +444,6 @@ void unreg_event_syscall_exit(struct ftrace_event_call *call)
 	mutex_unlock(&syscall_trace_lock);
 }
 
-struct trace_event event_syscall_enter = {
-	.trace			= print_syscall_enter,
-};
-
-struct trace_event event_syscall_exit = {
-	.trace			= print_syscall_exit,
-};
-
 int __init init_ftrace_syscalls(void)
 {
 	struct syscall_metadata *meta;


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